Stack chair



FIG. 1 is a left side elevational view of my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a top plan view;

FIG. 4 is a rear elevational view;

FIG. 5 is a right side elevational view; and,

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a left side elevational view of a modified embodiment of the design;

FIG. 8 is a front elevational view of the chair shown in FIG. 7;

FIG. 9 is a top plan view of the chair shown in FIG. 7;

FIG. 10 is a back elevational view of the chair shown in FIG. 7;

FIG. 11 is a right side elevational view of the chair shown in FIG. 7; and,

FIG. 12 is a bottom plan view thereof. 

The ornamental design for a stack chair, as shown and described. 